Perhaps you should try some spelling variations:
thi chieu » thi chien, thi hieu, theo chieu
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
anh tang » anh bang, anh dang, anh nang
tang vat » tang van, dang vat, bang vat
vat dung » van dung, va dung, viet dung
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((((theo tieu) or (thi chieu))) or (ho chieu)) sach - anh tang vat dung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((theo tieu) OR (thi chieu))) OR (ho chieu)) sach - anh tang vat dung cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: ((((theo tieu) or (thi chieu))) or (ho chieu)) sach - anh tang vat dung cong tan toan cau*.